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Applied Optics

Applied Optics


  • Vol. 38, Iss. 21 — Jul. 20, 1999
  • pp: 4566–4569

Unidirectional single-mode Nd:YAG laser with a planar semimonolithic ring cavity

Jong Rak Park, Tai Hyun Yoon, Myung Sai Chung, and Hai-Woong Lee  »View Author Affiliations

Applied Optics, Vol. 38, Issue 21, pp. 4566-4569 (1999)

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Unidirectional single-mode operation of a diode-pumped Nd:YAG laser with a planar semimonolithic ring cavity has been demonstrated at 1064 nm. The semimonolithic cavity consists of a laser active medium placed in a magnetic field, a crystal quartz plate, and an output coupling mirror, which form an optical diode by acting as a Faraday rotator, a reciprocal polarization rotator, and a partial polarizer, respectively. A single-mode output power of 155 mW and a slope efficiency of 17% were obtained with a 1.2-W diode laser at 809 nm. A laser linewidth of less than 100 kHz is inferred from a beat note frequency spectrum between two identical laser systems and continuous tuning to greater than 2 GHz was observed.

© 1999 Optical Society of America

OCIS Codes
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3560) Lasers and laser optics : Lasers, ring
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.3580) Lasers and laser optics : Lasers, solid-state

Original Manuscript: January 19, 1999
Revised Manuscript: April 8, 1999
Published: July 20, 1999

Jong Rak Park, Tai Hyun Yoon, Myung Sai Chung, and Hai-Woong Lee, "Unidirectional single-mode Nd:YAG laser with a planar semimonolithic ring cavity," Appl. Opt. 38, 4566-4569 (1999)

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